A salvor may be（）the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.

The （） is used for hauling in or letting out the wires or ropes.

Vessels must be（）valid certificate of nationality or certificated of registry or license.

When loading or discharging dry mud or cement，crew members should use goggles and（）.

Effects which are dutiable or subject to prohibitions or restrictions should be declared in （）.

The（）may examine or re-examine the goods or take samples from them straightaway in the absence of the consignee or the consignor whenever it considers this necessary.

（）are liable to be stoten, pilfered or may damaged due to improper handing or stowage.

Banks have no liability for any delay or loss caused by postal or telex failure.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

内部网络的计算机通过NAT服务器向Internet中的某个主机发送请求时，NAT服务器将会将________地址转换为公有地址。

某小型企业的网络使用Windows Server 2003的NAT服务实现内部员工对Internet的访问，在提供NAT服务的服务器上有两块网卡，连接内部网络的网卡配置的IP地址为192.168.2.1/24，连接外部网络的网卡配置的IP地址为61.51.43.132/24。现在内部网络的一台工作站通过该NAT服务器向Internet的一台IP地址为202.110.43.56主机发送数据包，则数据包经过NAT后其________。